What’s Next for Cloud‑Native Application Delivery? Insights from CNCF’s New Co‑Chairs

Overview of the CNCF Application Delivery SIG

The CNCF Application Delivery Special Interest Group (SIG) is a Technical Advisory Group that focuses on application‑centric cloud‑native technologies. It works closely with the CNCF Technical Oversight Committee (TOC) to identify sustainable open‑source projects, promote best practices, and bridge the gap between infrastructure developers and application developers.

Key Trends in Cloud‑Native Application Delivery

Sidecar model : Provides distributed‑system primitives as sidecar containers, simplifying application code. Example: https://github.com/dapr/dapr.

Universal Control Plane : Uses Kubernetes as a common control plane for multi‑cloud resource management. Example: https://github.com/crossplane/crossplane.

GitOps : Treats Git as the single source of truth for continuous delivery pipelines, enabling declarative, immutable infrastructure. Examples: https://github.com/argoproj/argo-cd, https://github.com/fluxcd/flux.

Mesh‑based progressive delivery : Combines operators with service‑mesh capabilities to manage rollout strategies and traffic shifting. Examples: https://github.com/fluxcd/flagger, https://github.com/argoproj/argo-rollouts.

Standardized application models : Defines a unified delivery plane that can manage workloads across heterogeneous environments. Examples: https://github.com/oam-dev/spec (OAM standard) and https://kubevela.io (KubeVela).

Representative Open‑Source Projects

The SIG highlights several projects that embody the above trends:

Dapr – sidecar framework for building microservices.

Crossplane – universal control plane for provisioning cloud resources.

Argo CD and Flux – GitOps‑driven continuous delivery tools.

Flagger and Argo Rollout – progressive delivery operators integrated with service meshes.

OAM and KubeVela – standardized application description and delivery platform.

Emerging Application‑Delivery Landscape

These trends are converging toward a cloud‑native “app store” model where standardized capabilities (e.g., storage, networking, observability) can be consumed on demand, similar to utility services. Both open‑source and proprietary tools can be managed through a unified delivery plane, enabling mixed‑use scenarios and reducing integration friction.

Planned Activities of the SIG Co‑chairs

The co‑chairs intend to:

Incubate promising open‑source projects that address gaps in application management and delivery.

Publish whitepapers and best‑practice guides for cloud‑native application developers.

Support the creation of additional Working Groups, currently including GitOps, Operator, Cooperative Delivery, and Chaos Engineering.

Relevant Repository and Resource Links

CNCF Application Delivery SIG announcement:

https://www.cncf.io/announcements/2019/09/12/cloud-native-computing-foundation-announces-application-delivery-sig/

Dapr project: https://github.com/dapr/dapr Crossplane project: https://github.com/crossplane/crossplane Argo CD: https://github.com/argoproj/argo-cd Flux: https://github.com/fluxcd/flux Flagger: https://github.com/fluxcd/flagger Argo Rollout: https://github.com/argoproj/argo-rollouts OAM specification: https://github.com/oam-dev/spec KubeVela: https://kubevela.io OpenKruise: https://openkruise.io/en-us/ OpenYurt:

https://github.com/openyurtio/openyurt